Home / 43,268.21-64,902.33-16,980.47

Finding the Fourth Proportional to 43,268.21, 64,902.33 and 16,980.47

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Solution

The fourth proportional to 43,268.21, 64,902.33 and 16,980.47 is: 25,470.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,268.21 : 64,902.33 = 16,980.47 : x
  2. Step 2: Convert to fraction form
    43,268.21/64,902.33 = 16,980.47/x
  3. Step 3: Cross multiply
    43,268.21x = 64,902.33 × 16,980.47
  4. Step 4: Simplify right side
    43,268.21x = 1,102,071,742.98
  5. Step 5: Solve for x
    x = 1,102,071,742.98/43,268.21
  6. Step 6: Final answer
    x = 25,470.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.